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To test if teenager males drink more than females

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For your study on the eating habits of teenage males, you randomly select 20 teenage males ans ask each how many 12-ounces serving of soda he drinks every day. At a=0.05, is there enough evidence to support the claim that teenage males drink more than three 12-ounce serving of soda per day?(assume the population is normally distributed.)
3.3 2.2 2.5 2.2 3.5 3.3 4.4 3.5 2.6 3.2
2.6 3.8 2.0 2.9 2.1 1.3 2.1 2.8 4.2 2.2

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Is there enough evidence to support the claim?

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To test if teenager males drink more than females.

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Please see the attached file.

Use tdist function in the excel software. And the arguments are calculated value ...

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